Raja Syamsidar, Yuhelmi, Rismayeti, Evizariza,. «Role of City Mobile Library in Advancing Education in Pekanbaru City». Opción 350 (agosto 3, 2019): 695-711. Accedido julio 27, 2024. https://produccioncientificaluz.org/index.php/opcion/article/view/24546.